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Minor earthquake, 3.1 mag was detected near Puerto Rico region


Earthquake location 17.9673S, -66.9936WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, Puerto Rico region kilometers (0 miles) from Puerto Rico region. Date and time of earthquake in UTC/GMT: 15/12/20 / 2020-12-15 19:31:16 / December 15, 2020 @ 7:31 pm. The earthquake was roughly at a depth of 13 km (8 miles). The temblor was detected at 19:31:16 / 7:31 pm (local time epicenter). Unique identifier: pr2020350020. Ids that are associated to the event: pr2020350020. Exact location of earthquake, -66.9936° West, 17.9673° North, depth 13 km.

Nearest cities/city/villages to epicentrum/hypocenter was Aibonito, Coco, Barranquitas (min 5000 pop). Epicenter of the event was 40 km (25 miles) from Ponce (c. 152 600 pop), 30 km (19 miles) from Mayagüez (c. 78 600 pop), 63 km (39 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 17 km (11 miles) from Yauco (c. 20 300 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been six, in the last 10 days eighteen, in the past 30 days fifty-one and in the last 365 days two thousand, eight hundred and thirty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: Puerto Rico region. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -66.9936° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9673° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13 km Depth of the event in kilometers.
Place Puerto Rico region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-15 19:31:16 Time when the event occurred. UTC/GMT
Updated 2020-12-15 19:49:12 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 148 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0507 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 186 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr2020350020 Id of event.
Event Code 2020350020 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020350020, A comma-separated list of event ids that are associated to an event.

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